Finding the Fourth Proportional to 1,224,437.00, 1,836,789.44 and 415,405.53
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Solution
The fourth proportional to 1,224,437.00, 1,836,789.44 and 415,405.53 is: 623,153.74
Step by Step Solution
- Step 1: Write the proportion equation
1,224,437.00 : 1,836,789.44 = 415,405.53 : x - Step 2: Convert to fraction form
1,224,437.00/1,836,789.44 = 415,405.53/x - Step 3: Cross multiply
1,224,437.00x = 1,836,789.44 × 415,405.53 - Step 4: Simplify right side
1,224,437.00x = 763,012,488,744.58 - Step 5: Solve for x
x = 763,012,488,744.58/1,224,437.00 - Step 6: Final answer
x = 623,153.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.